<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">

<html>
  <head>
    <base href="<%=basePath%>">
    
    <title>My JSP 'jsp.jsp' starting page</title>
    
	<meta http-equiv="pragma" content="no-cache">
	<meta http-equiv="cache-control" content="no-cache">
	<meta http-equiv="expires" content="0">    
	<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
	<meta http-equiv="description" content="This is my page">
	<!--
	<link rel="stylesheet" type="text/css" href="styles.css">
	-->
  <script type="text/javascript" src="./js/jquery-1.8.3.min.js"></script>
<script type="text/javascript">
window.onload=function(){
add.onclick=function(){
//设置回掉函数
 


  var xhr=null;
  if(window.XMLHttpRequest){
   xhr=new XMLHttpRequest;
  }else if(window.ActiveObject){
  xhr= new ActiveObject("Mircosoft.XMLHttp");
  }else{
   alert("浏览器太坏");
  }
   xhr.onreadystatechange=function(){
   if(xhr.readyState==4&&xhr.status==200){
    mydiv.innerHTML+=xhr.responseText;
   }
 
  };
   //组件
  xhr.open("get","js.jsp",true);
  xhr.send();
};
};
</script>
  </head>
  
  <body>
  <input type="button" id="add" value="提交"/>
  <div id="mydiv"></div>
  </body>
</html>
